﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Documents;
using System.Windows;
using System.Windows.Media;

namespace Goat.Controls.TreeView.Controls
{
    public class GeneralAdorner : Adorner
    {
        public GeneralAdorner(UIElement target)
            : base(target)
        {
        }

        FrameworkElement child;

        public FrameworkElement Child
        {
            get
            {
                return child;
            }
            set
            {
                if (child != value)
                {
                    RemoveVisualChild(child);
                    RemoveLogicalChild(child);
                    child = value;
                    AddLogicalChild(value);
                    AddVisualChild(value);
                    InvalidateMeasure();
                }
            }
        }

        protected override int VisualChildrenCount
        {
            get { return child == null ? 0 : 1; }
        }

        protected override Visual GetVisualChild(int index)
        {
            return child;
        }

        protected override Size MeasureOverride(Size constraint)
        {
            if (child != null)
            {
                child.Measure(constraint);
                return child.DesiredSize;
            }
            return new Size();
        }

        protected override Size ArrangeOverride(Size finalSize)
        {
            if (child != null)
            {
                child.Arrange(new Rect(finalSize));
                return finalSize;
            }
            return new Size();
        }
    }
}
